body{height:100vh}header{width:100%;padding-left:6%;padding-right:6%;margin-top:calc(50vh - 240px);margin-bottom:.12rem;text-align:center}header .icon{width:256px;height:256px;margin-left:auto;margin-right:auto;background-image:url(/img/download_icon.jpg);background-size:100% 100%}header h1{margin-top:24px;font-size:.36rem;line-height:.4rem}header .info,header .try-again{margin-top:8px;color:#55576d}header .try-again a{text-decoration:underline}header .info{margin-top:40px;font-size:.14rem;opacity:.5}@media screen and (max-width:840px){header h1{font-size:.3rem;line-height:.34rem}}@media screen and (max-width:600px){header .icon{width:192px;height:192px}}